K2pdfopt optimizes PDF/DJVU files for mobile e-readers (e.g. the Kindle) and smartphones. It works well on multi-column PDF/DJVU files and can re-flow text even on scanned PDF files. It can also be used as a general PDF copying/cropping/re-sizing/OCR-ing manipulation tool. It can generate native or bitmapped PDF output, with an optional OCR layer. There are downloads for MS Windows, Mac OSX, and Linux. The MS Windows version has an integrated GUI.

Convert media files online from one format into another.

Convert your files to various ebook formats, including industry standard ePub. Right in your browser you can easily convert PDF to ePub, DOC to ePub, MOBI, LIT, LRF to ePub and many more. 2EPUB is 100% free online ebook converter.

Input formats: doc, docx, epub, fb2, html, lit, lrf, mobi, odt, pdb, pdf, prc, rtf, txt.

Output formats: epub, fb2, lit, lrf, mobi

Convert your PDF files, ebooks from other readers or just plain text to the ePub format. This format is known by most ebook readers. Upload a file or provide a URL and click on “Convert file”. Optionally you can select the target reader to allow our ebook converter a better accuracy.